Hi @pumpiniron
This is mostly because your server has settings that limit the available memory. To fix it, could you please increase the memory limit to at least 128MB? This page should give you more idea about it: https://codex.wordpress.org/Editing_wp-config.php#Increasing_memory_allocated_to_PHP.
If that doesn’t help, could you please ask your hosting provider to help you increase the PHP memory limit?
I hope this helps 🙂
